120142 has 16 divisors (see below), whose sum is σ = 202752. Its totient is φ = 52920.

The previous prime is 120121. The next prime is 120157. The reversal of 120142 is 241021.

It is a congruent number.

It is an unprimeable number.

120142 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 883 + ... + 1009.

It is an arithmetic number, because the mean of its divisors is an integer number (12672).

2¹²⁰¹⁴² is an apocalyptic number.

120142 is a deficient number, since it is larger than the sum of its proper divisors (82610).

120142 is a wasteful number, since it uses less digits than its factorization.

120142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183.

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 120142 is about 346.6150602614. The cubic root of 120142 is about 49.3436894905.

Adding to 120142 its reverse (241021), we get a palindrome (361163).

It can be divided in two parts, 120 and 142, that added together give a palindrome (262).

The spelling of 120142 in words is "one hundred twenty thousand, one hundred forty-two", and thus it is an iban number.